GEM28 German EQ Mount with iPolar, Hard Case, and 1.5" Tripod
iOptron
From $1,538.00
2 stores
Out of stock
The GEM28 sets the new standard for compact German equatorial mounts, delivering precise pointing and accurate tracking ideal for visual astronomy and astrophotography with refractors, reflectors, and Cassegrains. Weighing only 10 lbs but supporting up to 28 lb payload, the GEM28 achieves a remarkable 2.8 mount weight to payload ratio. The integrated iPolar electronic polar finder ensures accurate alignment even when the pole star is obscured, while the onboard 212,000 object library provides extensive GoTo capabilities. The German EQ design functions at higher latitudes over 60-degrees, making this mount excellent for portable astrophotography and mobile observing expeditions.
Specifications
| Object Library | 212000 |
| Tracking Resolution | 0.17″ |
| Periodic Error Correction | Permanent PEC trainable |
| Mount Weight | 4.5 lb |
| Mount to Payload Ratio | 2.8 |
| Drive Gear Teeth | 144 |
| Package Contents | Mount head with iPolar, Go2Nova 8409 controller, 1.5" tripod, hard case, counterweight, counterweight shaft |
| Drive Gear Diameter | 88 mm |
| Counterweight Shaft Diameter | 20 mm |
| GoTo System | Go2Nova 8409 hand controller |
| iPolar Resolution | 30″ |
| Dovetail Saddle | Vixen-style |
| Payload Capacity | 12.7 lb |
| Latitude Range | 10° |
| Motor Type | Dual-axis stepper motors with encoders |
| Tracking Modes | Sidereal, solar, lunar, King, user-defined |
| Declination Shaft Diameter | 30 mm |
| Counterweight Included | 10.4 lb |
| Tripod Type | 1.5 inch stainless steel |
| Right Ascension Shaft Diameter | 30 mm |
| iPolar Alignment Precision | 30″ |
| Dovetail Saddle Length | 3.8 in |
| Polar Finder | iPolar electronic polar scope |
| iPolar Field of View | 13° |
| Connectivity | Built-in Wi-Fi, USB port, RS232, ST-4 autoguider port, HBX ports |
| Mount type | German Equatorial |
| Transmission Type | Synchronous belt transmission |
| Slew Speeds | 1x, 2x, 8x, 16x, 64x, 128x, 256x, 512x, MAX (6°/sec) |